Re: LR compute WA

["Mario Limonciello (AMD) (kernel.org)" <superm1@kernel.org>]

On 10/6/2025 8:56 AM, Mario Limonciello (AMD) (kernel.org) wrote:
> 
> 
> On 10/6/2025 5:04 AM, Greg KH wrote:
>> On Sat, Oct 04, 2025 at 01:41:29PM -0500, Mario Limonciello (AMD) 
>> (kernel.org) wrote:
>>> Hi,
>>>
>>> We have some reports of long compute jobs on APUs hanging the system. 
>>> This
>>> has been root caused and a workaround has been introduced in the 
>>> mainline
>>> kernel.  I didn't CC stable on the original W/A because I wanted to make
>>> sure we've had enough time to test it didn't have unintended side 
>>> effects.
>>>
>>> I feel comfortable with the testing at this point and I think it's worth
>>> bringing back to any stable kernels it will apply to 6.12.y and 
>>> newer. The
>>> commit is:
>>>
>>> 1fb710793ce2619223adffaf981b1ff13cd48f17
>>
>> It did not apply to 6.12.y, so if you want it there, can you provide a
>> working backport?
>>
>> thanks,
>>
>> greg k-h
> 
> Thanks, I see 6.16 and 6.17 had no problem.  I'll find the contextually 
> missing patches and send out 6.12.y separately.

OK - here's the 3 patches needed for 6.12.y to cleanly cherry-pick:

ce4971388c79d36b3f50f607c3278dbfae6c789b
1c687c0da9efb7c627793483a8927554764e7a55
15d8c92f107c17c2e585cb4888c67873538f9722

Thanks!